# Merge all nodes between `first` and `last`
	private fun merge_if_needed(first, last: nullable MdText) do
		if first != null and last != null and first != last then
			var buffer = new Buffer
			buffer.append(first.literal)
			var node = first.next
			var stop = last.next
			while node != null and node != stop do
				buffer.append(node.as(MdText).literal)
				first.location.line_end = node.location.line_end
				first.location.column_end = node.location.column_end
				var unlink = node
				node = node.next
				unlink.unlink
			end
			var literal = buffer.write_to_string
			first.literal = literal
		end
	end